Iridium(IV) Oxid, 12030-49-8,IrO2
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Iridium(IV) Oxide，12030-49-8，IrO2
| Identification | ||
| Name |
|
Iridium(IV) oxide |
| Synonyms |
|
Iridium dioxide
IRIDIUM OXIDE
Iridium(IV) oxide powder
Iridiumoxidepowder
Iridiumoxideblueblackpowder
Iridium(Ⅱ) dioxide |
| Molecular Formula |
|
IrO2 |
| Molecular Weight |
|
224.22 |
| CAS Registry Number |
|
12030-49-8 |
| EINECS |
|
234-743-9 |
| Properties | ||
|
Melting point |
|
1100°C |
|
Density |
|
11,7 g/cm3 |
| Iridium content |
|
≥80.00% |
| Appearance |
|
Blue to black powder, insoluble in water |
| Specification |
|
Analytical pure |
| Storage |
|
Store in cool and dry place in tightly sealed bottle |
| Water solubility |
|
INSOLUBLE |
| Safety Data | ||
| Hazard Symbols |
|
O;Xi |
| Risk Codes |
|
R36/38;R8 |
| Safety Description |
|
S17;S26;S37/39 |
Iridium(IV) oxide uses:
Used as a spectrally pure reagent.
Iridium(IV) oxide production method:
The iridium powder can be heated in air or oxygen to obtain iridium dioxide. Carefully add alkali to the boiling [IrCl6]2-solution until the brown color just turns blue, and the resulting blue precipitate is dried in a vacuum into a blue powder, which is equivalent to Ir(OH)4 or IrO2·2H2O, The powder is heated to 350°C in nitrogen to completely dehydrate it to produce black IrO2.
